Can opener



FIG. 1 is a perspective view of a can opener;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The portions shown in broken lines are included for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a can opener, as shown and described.